Working communication via kafka

producer/Producer.cs

@@ -1,15 +1,19 @@
 using System;
+using System.Text.Json;
 using System.Threading.Tasks;
 using Confluent.Kafka;
+using Serializers;
 using Model;
 
 class Producer
 {
     public static async Task Main (string[] args)
     {
-        var config = new ProducerConfig { BootstrapServers = "localhost:9092" };
+        var config = new ProducerConfig { BootstrapServers = "localhost:29092" };
 
-        using (var producerBuilder = new ProducerBuilder<string, DataModel>(config).Build())
+        using (var producerBuilder = new ProducerBuilder<string, DataModel>(config)
+            .SetValueSerializer(new JsonSerializer<DataModel>())
+            .Build())
         {
             try
             {

producer/Serializer/JsonSerializer.cs

@@ -0,0 +1,22 @@
+using Confluent.Kafka;
+using System.Text.Json;
+
+namespace Serializers
+{
+    public class JsonSerializer<T> : ISerializer<T>, IDeserializer<T>
+    {
+        public byte[] Serialize(T data, SerializationContext context)
+        {
+            return JsonSerializer.SerializeToUtf8Bytes(data);
+        }
+
+        public T Deserialize(ReadOnlySpan<byte> data, bool isNull, SerializationContext context)
+        {
+            if (!isNull)
+            {
+                return JsonSerializer.Deserialize<T>(data);
+            }
+            throw new Exception ("Data cannot be null");
+        }
+    }
+}